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Finding the Fourth Proportional to 573,679.80, 860,519.70 and 415,164.60

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Solution

The fourth proportional to 573,679.80, 860,519.70 and 415,164.60 is: 622,746.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,679.80 : 860,519.70 = 415,164.60 : x
  2. Step 2: Convert to fraction form
    573,679.80/860,519.70 = 415,164.60/x
  3. Step 3: Cross multiply
    573,679.80x = 860,519.70 × 415,164.60
  4. Step 4: Simplify right side
    573,679.80x = 357,257,317,042.62
  5. Step 5: Solve for x
    x = 357,257,317,042.62/573,679.80
  6. Step 6: Final answer
    x = 622,746.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.